Function validate_file_path 

pub fn validate_file_path(path: &str) -> Result<String, String>

Validate file path to prevent directory traversal attacks

Checks

• Rejects paths with .. (directory traversal attempts)
• Rejects absolute paths outside the project
• Rejects paths with null bytes
• Rejects paths targeting sensitive files (.ssh, .aws, .env, etc.)

Arguments

• path - The file path to validate

Returns

• Ok(path) - The validated path if all checks pass
• Err(reason) - A string describing why the path was rejected